Patents by Inventor David Lee Mullins

David Lee Mullins has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polysiloxane-polyoxyalkylene block copolymers as stabilizers in the production of urethane foam
    Patent number: 4071483
    Abstract: Polyoxyalkylene polyether admixtures and polysiloxane-polyoxyalkylene block copolymers, a solventless process for producing said copolymers using said admixtures, a process for producing flexible polyether polyurethane foam using said copolymers as foam stabilizers and the foam produced thereby.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: January 31, 1978
    Assignee: Union Carbide Corporation
    Inventors: Carl James Litteral, David Lee Mullins
  • Polysiloxane-polyoxyalkylene block copolymers
    Patent number: 4025456
    Abstract: Polyoxyalkylene polyether admixtures and polysiloxane-polyoxyalkylene block copolymers, a solventless process for producing said copolymers using said admixtures, a process for producing flexible polyether polyurethane foam using said copolymers as foam stabilizers and the foam produced thereby.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: May 24, 1977
    Assignee: Union Carbide Corporation
    Inventors: Carl James Litteral, David Lee Mullins